Quote:
Originally Posted by Pete Higgins
... report my findings with my new RCA TVPRAMP1R Amplifier. This looks like one of the few remaining switchable dual VHF/UHF input, mast mounted, pre-amps. with a switchable FM trap.
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Hi Pete.
Thank you for your efforts.
Your efforts to characterize and describe components are undoubtedly helpful to many others.
Thank you for your images.
They looked familiar.
Attached are a couple of images comparing images of the original CM-777x to your image of the RCA preamp.
The image below is the coil/switch side of the PCBs.
Notice that the coaxial connectors are on opposite sides of the PCBs.
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